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WILLIAM J JOHNSTON III is a contractor located in Islip, NY. They specialize in plumbing work.
WILLIAM J JOHNSTON III holds an active professional license for your protection.
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WILLIAM J JOHNSTON III is a contractor serving Islip, NY. License #286793 is on file. Use the contact details below to request a quote or ask about availability.
License #286793 means WILLIAM J JOHNSTON III is registered with the relevant state or professional board. Always confirm that the license is in good standing on the issuing board's website before booking work.